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katovenus [111]

3 years ago

7

Tia bought a sweater that was discounted for 20% of the original price. She saved $4.60 with the discount. What was the original

price of the sweater?

1 answer:

pishuonlain [190]3 years ago

3 0

This sounds so easy buts its so not!

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Deon is running for president of the chess club, and he received 26 votes. There are 40 members in the club. What percentage

maxonik [38]

Answer:

65%

Step-by-step explanation:

13/20 =65%

7 0

3 years ago

You are considering two cell phone plans. Plan A offers a monthly fee of $35 plus plus $10 per GB of data. Plan B offers a month

nevsk [136]

H f g g g g g g g g g. G g g g. G g r e e e e e e e e e e e e e e e e

3 0

3 years ago

A backhoe can dig

lorasvet [3.4K]

5 holes =1 hour

10 = 6 hours

60 min in 1 hour

60x6=360

360min 360=/M

5/m=1h=10/m=M

bye the time ones donec its /M

1/10

4 0

3 years ago

Read 2 more answers

Write the expression in factored form

olchik [2.2K]

$2.)\\ \\ n^2 - 9n +14 = 0 \\ \\ a=1 , \ b = -9, \ c = 14 \\ \\\Delta =b^2-4ac = (-9)^2 -4\cdot1\cdot 14 = 81 -56 = 25 \\ \\n_{1}=\frac{-b-\sqrt{\Delta} }{2a}=\frac{9-\sqrt{25}}{2 }=\frac{ 9-5}{2}=\frac{4}{2}= 2$

$n_{2}=\frac{-b+\sqrt{\Delta} }{2a}=\frac{9+\sqrt{25}}{2 }=\frac{ 9+5}{2}=\frac{14}{2}= 7 \\ \\ Answer : \ n^2 - 9n +14 =(n-2)(n-7)$

$3.)\\ \\ n^2 + 4n - 12 =0 \\ \\ a=1 , \ b = 4, \ c = -12 \\ \\\Delta =b^2-4ac = 4^2 -4\cdot1\cdot (-12) = 16+48=64 \\ \\n_{1}=\frac{-b-\sqrt{\Delta} }{2a}=\frac{-4-\sqrt{64}}{2 }=\frac{ -4-8}{2}=\frac{-12}{2}= -6$

$n_{2}=\frac{-b+\sqrt{\Delta} }{2a}= \frac{-4+\sqrt{64}}{2 }=\frac{ -4+8}{2}=\frac{4}{2}=2\\ \\ Answer : \ n^2 +4n -12 =(n+6)(n-2)$

second way :

$2.)\\ \\ n^2 - 9n +14 = n^2 - 9n+2n -2n +14 = n^2 - 7x -2n +14 =\\ \\ = n(n-7)-2(n-7)=(n-7)(n- 2)\\ \\ \\ Answer : \ n^2 - 9n +14 =(n-2)(n-7)$

$3.)\\ \\ n^2 + 4n - 12 = n^2 + 4n +2n - 2n - 12 = n^2 + 6n - 2n - 12 =\\ \\ = n(n+6) -2(n+6)=(n+6)(n-2) \\ \\ \\ Answer : \ n^2 +4n -12 =(n+6)(n-2)$

5 0

4 years ago

Read 2 more answers

What is the difference between 693.45 and 23.791?<br>45.554<br>o 455.54<br>669.659<br>6,696,59

77julia77 [94]

669.659

693.45-23.791 =669.658

6 0

3 years ago